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jarptica [38.1K]
2 years ago
12

What is the average of 30-4x^2, 3x^2-2x-3 and x^2+2x-3?​

Mathematics
1 answer:
seropon [69]2 years ago
4 0

Answer:

69

Step-by-step explanation: 1 + the color of the sky and how many inches wide our universe is

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2000 people are selected randomly from a certain population and it is found that 389 people in the sample are over 6 feet tall.
Airida [17]

Answer: 0.195

Step-by-step explanation:

given data:

population = 2000 people.

people Who are over 6 feet tall = 389.

Solution:

the point estimate of people over 6feet tall

= no of people over 6 feet tall / total population size

= 389/2000

= 0.195

the point estimate of people over 6 feet tall is 0.195

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How can you tell if a mixture is homogenous or heterogeneous?
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